Abstract
Nuclear or radiological accident is an unintended or unexpected event occurring with a radiation source or during a practice involving ionizing radiation, which may result in significant human exposure and/or material damage. Recent events involving terrorist activities have focused attention on the radiological threats. So, medical preparedness and response to radiation emergency is very important.Radiation emergency system in China has been established for radiological emergency preparedness and response. National Coordination Committee of Radiation Emergency has been setup in 1994, which consist of 17 ministries. The Ministry is responsible for the medical assistance for radiation emergency. Chinese Center for Medical Response to Radiation Emergency (CCMRRE) was established in 1992, based on the National Institute for Radiological Protection, China CDC (NIRP, China CDC). The CCMRRE has been as one liaison institutes of WHO/REMPAN and functions as a national and professional institute for medical assistance in radiation accidents and terrorist events involving radioactive material.Under Provincial Committee of Radiation Emergency, there are local organizations of medical assistance in radiation emergency. The organizations carry out the first aid, regional clinic treatment, radiation protection and radiation monitory in nuclear accidents and radiological accidents.